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55 Cards in this Set
- Front
- Back
Which Organelle is responsible for photosynthesis |
Chloroplast |
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All atoms of an element have the same number of |
Protons |
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What is most closely associated with Darwin? |
Natural Selection |
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In what way(s) is the science of biology influencing and changing our culture? |
Revealing how mutations in genes can lead to disease; providing new tools for forensic investigations; helping us understand the relevance of evolution to human health |
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Antibiotic resistance evolves in bacteria because |
The presence of antibiotics favors bacteria that already have genes for resistance |
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Where does protein synthesis take place? |
on ribosomes |
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Adjacent water molecules are joined by___bonds |
Hydrogen |
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Unequal reproductive success
|
can lead to natural selection |
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Give an example of a polysaccharide? |
Starch |
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What structure manufactures the components of ribosomes? |
Nucleolus |
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Nitrogen has an atomic number of 7; therefore, it has ___ electrons in its outermost electron shell |
5 |
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What is a health effect of a diet high in saturated fats? |
Increased risk of heart attack |
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Carbohydrates typically include |
C, H, and O atoms |
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Destruction of a protein's shape is called |
Denaturation |
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Which domain(s) consist(s) of prokaryotic cells? |
Bacteria and Archaea |
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In a scientific experiment, the control group |
serves as a basis of comparison with the experimental group |
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What name is given to substances that resist changes in pH? |
Buffers |
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Enzymes are |
Proteins |
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A Hypothesis is a(n) |
Tentative answer |
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A protein's function is dependent on its |
Shape |
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You try to start your car, but it does not start. What is your hypothesis |
My car's battery is dead |
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Animals store carbohydrates as |
Glycogen |
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What structure can perform all the activities required for life?
|
Cells |
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Amino acids include a side group as well as |
A central carbon, a hydrogen atom, an amino group, and a carboxyl group |
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What accounts for the different breeds of domesticated dogs? |
Artificial selection |
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In plant cells, ___may contain organic nutrients, pigments, and poisons. |
Central vacuoles |
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The tendency of molecules of the same kind to stick together is called |
Cohesion |
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If one strand of DNA double helix has the sequence AGTACTG, what will be the sequence of the other strand? |
TCATGAC |
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Why is water considered a polar molecule? |
The oxygen end of the molecule has a slight negative charge, and they hydrogen end has a slight positive charge. |
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The lower the pH of a solution, the |
more acidic the solution |
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You find a cell of a type you have never seen before. The cell has both a nucleus and a cell wall.Therefore, you conclude that it must be a ___cell. |
Plant |
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When using a light microscope to view a cell you obtained from scraping under your fingernails, you notice that the cell lacks a nucleus; therefore, you conclude that the cell must be a type of ___cell. |
Prokaryotic |
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What are the two main processes that ecosystems depend upon? |
Nutrient recycling and energy flow |
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___are the major lipids of plasma membranes |
Phospholipids |
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Tobacco smokers (and those exposed to tobacco smoke) are at a greater risk of an ectopic (tubal) pregnancy. Based on your understanding of the structures of the cytoskeleton, what is the best explanation? |
Tobacco interferes with the sweeping motion of cilia that aids in the movement of the egg toward the uterus. |
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What is the function of the Golgi apparatus? |
Digestion of organic matter inside the cell |
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Microtubules are associated with |
Cilia, Cell shape, and Flagella |
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Based on its function in detoxifying drugs, you would expect to find a large amount of smooth ER in ___cells. |
Liver |
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DNA nucleotides include |
Thymine, Guanine, Adenine, and Cytosine |
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Beryllium's atomic mass is 9 and its atomic number is 4. How many neutrons are found in a beryllium atom? |
5 |
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Proteins are polymers constructed from ___monomers. |
Amino acid |
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The bond between oppositely charged ions is a(n) ___bond. |
Ionic |
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Relative to prokaryotic cells, eukaryotic cells are usually |
Larger and more complex |
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Lysosomes are responsible for |
Digestion of organic matter inside the cell |
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What is the name given to the reaction that breaks peptide bonds? |
Hydrolysis |
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The four most common elements found in living things are |
Carbon, Oxygen, Nitrogen, and Hydrogen |
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What is biology? |
The scientific study of life |
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What type of microscope would be best for studying the detailed structure of the surface of a plasma membrane |
Scanning electron microscope |
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What is not a property of life? |
Populations of organisms rarely change over time |
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Isotopes of an element have the same number of ___ and different numbers of ___. |
Protons...Neutrons |
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Sweating cools your body by |
Evaporative cooling |
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The DNA of a eukaryotic cell is found within the |
Nucleus |
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By definition, what type of fatty acid have double bonds? |
unsaturated |
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more brightly colored male lizards over dull-colored males?Is it reasonable to conclude (i.e. supported by the data) that female collared lizards prefer |
Yes, this conclusion is supported by the data |
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Which of the following is a characteristic of mitochondria that suggests that they might have evolved from free-living bacteria? |
Mitochondria have their own DNA |